CLOSED COOLING MODELS - 6B-2390-823225--1 1096
73110
b
c
d
e
f
g
h
a
i
Models With Sleeve
a - Bolts
b - Lockwashers
c - Cover
d - Gasket
e - Thermostat
f - Cork Gasket (DO NOT Use Perfect Seal)
g - Sleeve (Turned in Lip Toward Thermostat)
h - Housing
i - Plugs (2)
j - Gasket With Continuity Rivets
Testing
1. Clean thermostat in soap and water to remove
any deposits or debris.
2. Inspect thermostat for corrosion or other visible
damage.
3. If thermostat is suspected of producing insuffi-
cient engine temperature, check thermostat for
leakage by holding it up to lighted background.
Light leakage around the thermostat valve indi-
cates that thermostat is not closing completely
and should be replaced. (A small amount of leak-
age at one or two points around the valve perime-
ter is acceptable.)
72717
a
Brass Thermostat (Stainless Steel Similar)
a - Check for Light Leakage Around Perimeter of Valve
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